PDF Cabinet vs PDF Book Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Cabinet
This application offers a streamlined PDF experience for reading and annotating documents. It focuses on essential features with an intuitive interface, making it easy to mark up PDFs, share annotations, and collaborate in real-time with others. Optimized for performance, it handles large documents efficiently.
- Effortless PDF annotation
- Intuitive user interface
- Fast document review with thumbnails
- Annotations sharing
- Real-time collaboration
- Quick note taking
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THINGS WE ARE PROUD OF - Really effortless PDF annotation - Only the most essential functionality - don't lose yourself in hundreds of buttons - Intuitive user interface that allows you to do exactly what you want - Fast and easy document skimming and review with thumbnails sidebar - Ultimate performance – optimized for really large documents (within reason, of course) - Annotations sharing - send annotated documents to anyone, and mark up will show up in any other reader - Interaction with other Cabinet users - send annotations only to your friends or colleagues using Cabinet – much faster, less traffic - Real-time collaboration with your friends or colleagues – annotate the same document together from several iPads EVEN MORE GREAT THINGS IN CABINET - Amazing and intuitive dynamic annotation menu - Empty notebooks for quick note taking or doodling - Pen and Paper Games for relaxing during non-working hours - Sending multiple documents attached in a single e-mail - Easy work with various document formats - such as .doc, .xls, .ppt and others Did we tell you already that Cabinet is really easy to use? Try it out yourself!
PDF Book Reader
Easily read, manage, and annotate PDF books and documents. This app offers a smooth reading experience, powerful annotation tools, and seamless cloud integration. Organize, search, and share your PDFs with ease.
- Natural PDF reading and navigation
- PDF bookmarking and annotation
- Text search and OCR extraction
- PDF merging and page rearrangement
- Cloud storage integration (Google Drive, Dropbox, iCloud)
- File import and export via cloud and Files app
- PDF sharing and printing
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PDF Book Reader app helps you easily and naturally read PDF books and documents. It works as smooth as reading web pages in web browsers. PDF Book Reader is the best app to read, manage and annotate PDF Books and it works beautifully on iOS 14. The most powerful PDF Book reader, carefully designed and optimized specially for the iPhone & iPad. [ KEY FEATURES ] • Naturally read and navigate PDF books • Bookmark PDF e-Books • Annotate PDF e-Books • Search texts in entire PDF files • Extract texts by using OCR • Merge PDF files • Rearrange PDF pages by drag & drop • Connect with Google Drive, Dropbox, iCloud, Photos • Import files from Files, Photos, Google Drive, Dropbox • Automatically and securely save PDF files in Files app • Share PDF files via email, text (sms), cloud solutions • Print PDF files [ Upgrade to subscription version ] Upgrading to subscription version requires auto-renewal subscription. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Links to Your Privacy Policy and Terms of Use: http://www.btoj.com.au/privacy.html http://www.btoj.com.au/terms.html Please feel free to contact us for anything.
Screenshots
Verdict
The clearest difference is in-app purchases: PDF Cabinet at none against PDF Book Reader's 2. PDF Cabinet also leads on ads (none vs shown). PDF Book Reader's advantage is update cadence (every 5 days vs every 5 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PDF Book Reader sells 2 in-app purchases, starting at $3.99 per month. PDF Cabinet asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.8 for PDF Cabinet against 3.9 for PDF Book Reader. Both are backed by a comparable volume of ratings — 56 and 31 respectively. Written reviews are what separate them: 66% of PDF Cabinet's written reviews are positive against 61% of PDF Book Reader's.
PDF Cabinet ships an update every 5 weeks, PDF Book Reader every 5 days. The most recent releases landed on July 5, 2026 and September 13, 2026 respectively.
| Parameter | PDF Cabinet | PDF Book Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (56 ratings) | 3.9 (31 ratings) — better |
| Positive reviews | 66.1% of reviews — better | 61.1% of reviews |
| Number of ratings | 56 — better | 31 |
| Update frequency | Every 5 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 75 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Bright Nine SIA | B TO J PTY LTD |
Customer experience
PDF Cabinet
PDF Book Reader
Bugs and requests
PDF Cabinet
Reported bugs
5 issues- Randomly deleting files
- Sync issues causing loss of annotations
- Crashing when opening large documents
- Navigation problems when zoomed in
- Annotations not exporting properly
Requested features
7 requests- Add more highlighter and pen color options
- Implement palm rejection for Apple Pencil
- Add ability to resize and move annotation tools
- Improve cloud/sync functionality (iCloud, Dropbox, etc.)
- Implement vertical scrolling for continuous reading
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- Add text box annotation feature
- Improve export/sharing options for annotated documents
PDF Book Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Cabinet
No in-app purchases
PDF Book Reader
- 1 Month Subscription$3.991 Month
- 1 Year Subscription$28.991 Year
Questions
Is PDF Cabinet free?
Is PDF Book Reader free?
Which has better reviews, PDF Cabinet or PDF Book Reader?
Do PDF Cabinet or PDF Book Reader have ads?
Which is updated more often, PDF Cabinet or PDF Book Reader?
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